What it mean by field weakening in PMSM? where the effect of field weakening can be affect???

12 June 2021 1 10K Report

To understand the effect of the field weakening on the dynamic performance of PMSM.

Any permanent magnet loses magnetiam with time hence charging is needed with time. With time there are chances of field weakening of salient poles of magnet(PM) the rotor, due to which the torque producing capacity would reduced. The transient disturbance load stability limit or the instant torque variation capability would also reduced …….

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